I don't think it's anything close to being a staple in the vast majority of decks, but it just needs a lot of testing to see which decks benefit from it and, more importantly, how to use it and play against it in those decks
Lots of instants mitigates this since you can cast them in response to the trigger, but then you have fewer cards in hand
It's helpful to keep a master list somewhere easy to find, like the front pocket of a binder, so that you can reference it and locate a card within a group or subgroup quickly
Shiko and Narset, Unified The best way to break Shiko and Narset, Unified is careful consideration of which spells you want to target with
Modern Limited Releases: Focus on cards with documented production limits like Charizard 151 (20k units) or Shiny Charizard VMAX (Champion's Path, 2020)
Pokemon TCG new set release calendar Information on exact details on new Pokemon TCG sets usually becomes available around three to four months out from release date